40/102TB/S50

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Exterior Noise Test

Accelerating from Constant Speed

Date : 1993-02-10
Personnel : B.L., S.C. and R.H.
Temperature (°F) : 38 Humidity (%) : 70
Wind Speed (mph) : 7 Wind Direction : nw
Barometric Pressure (in.Hg) : 30.19
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by RL
Initial Sound Level Meter Calibration: false checked by RL
Exterior Ambient Noise Level dB(A): 49.3

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 71.5 1 72.5
2 71.8 2 72.3
3 71.5 3 72.6
4 71.6 4 72.7
5 71.2 5 72.8
Average of two highest actual noise levels = 71.7 dB(A) Average of two highest actual noise levels = 72.8 dB(A)